US2887994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injector of air-cooled compression ignition engine
Assignee: RA Lister and Co Ltd
•
Filing: 1957-07-24
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Granted: 1959-05-26
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Expires: 1977-07-24
Abstract
No abstract record available.
Inventors
- 👤 Morris Alberto Jorge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:55
CPC Classifications
F; F02; F02B; F02B53/00; F02B53/12; F01; F01P; F01P1/00; F01P1/06; F01P1/10; F02M; F02M53/00; F02M53/04; F02M2700/00; F02M2700/07; F02M2700/077; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH168235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |